Pith Number

pith:GEAG5DDH

pith:2015:GEAG5DDHAZQZ24BAQQV7O4AW6S

not attested not anchored not stored refs pending

Ultracool white dwarfs and the age of the Galactic disc

A. Gianninas, B. Curd, Jeff J. Andrews, John R. Thorstensen, M. A. Ag\"ueros, Mukremin Kilic, Paul Canton, P. Bergeron

arxiv:1503.03065 v2 · 2015-03-10 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GEAG5DDHAZQZ24BAQQV7O4AW6S}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:40:52.579966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31006e8c6706619d7020842bf77016f4887818d051f4fb66661a9ffb035e30a5

Aliases

arxiv: 1503.03065 · arxiv_version: 1503.03065v2 · doi: 10.48550/arxiv.1503.03065 · pith_short_12: GEAG5DDHAZQZ · pith_short_16: GEAG5DDHAZQZ24BA · pith_short_8: GEAG5DDH

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/GEAG5DDHAZQZ24BAQQV7O4AW6S \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 31006e8c6706619d7020842bf77016f4887818d051f4fb66661a9ffb035e30a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b313c38209ed66f50a2eae2b928bc9b2cfb89c111635e18f2dc56076c65b510a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-03-10T20:00:00Z",
    "title_canon_sha256": "4c808d95cf787c1b7500be8e843b5b0d57094b7ec77cda5cee3c83249b8839f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03065",
    "kind": "arxiv",
    "version": 2
  }
}